安全词汇：safe, dangerous, careful — 英语选择题
题目
看情境，选出三个句子中依次填入的词。玩刀：It is ___ to play with a knife. 绿灯亮时先左右看看再过马路：It is ___ to cross the road. 端一碗热汤：Be ___! A. dangerous, safe, careful B. safe, dangerous, careful C. dangerous, careful, safe D. careful, safe, dangerous